diff --git a/.eslintrc.js b/.eslintrc.js
new file mode 100644
index 000000000..76b691f34
--- /dev/null
+++ b/.eslintrc.js
@@ -0,0 +1,22 @@
+module.exports = {
+  parser: '@typescript-eslint/parser',
+  env: {
+    browser: true,
+    commonjs: true,
+    es6: true,
+    node: true
+  },
+  extends: [
+    'plugin:@typescript-eslint/recommended'
+  ],
+  parserOptions: {
+    ecmaVersion: 2020,
+    sourceType: 'module'
+  },
+  rules: {
+    'indent': ['error', 2],
+    'max-len': ['error', 180],
+    'no-trailing-spaces': 'error',
+    'prefer-const': 0
+  }
+};
diff --git a/.eslintrc.json b/.eslintrc.json
deleted file mode 100644
index e505744ea..000000000
--- a/.eslintrc.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-  "env": {
-    "browser": true,
-    "commonjs": true,
-    "es6": true,
-    "node": true
-  },
-  "parserOptions": {
-    "ecmaFeatures": {
-      "jsx": true
-    },
-    "sourceType": "module"
-  },
-  "rules": {
-    "indent": ["error", 2],
-    "max-len": ["error", 180],
-    "camelcase": "error",
-    "no-trailing-spaces": "error"
-  }
-} 
\ No newline at end of file
diff --git a/package.json b/package.json
index e9cc5e73f..18281783e 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "build": "yarn --no-progress && rm -rf dist/* && webpack && grunt && doctoc ./README.md && doctoc ./doc/README.md && doctoc ./doc/CHANGES.md",
     "web": "rm -rf dist/* && webpack",
     "test": "yarn lint && karma start karma.conf.js",
-    "lint": "tslint -p ./tsconfig.json",
+    "lint": "tsc --noEmit && eslint 'src/**/*.ts'",
     "reset": "rm -rf dist node_modules",
     "prepublishOnly": "yarn build"
   },
@@ -45,10 +45,13 @@
   "devDependencies": {
     "@types/jquery": "^3.3.32",
     "@types/jqueryui": "^1.12.10",
+    "@typescript-eslint/eslint-plugin": "^2.23.0",
+    "@typescript-eslint/parser": "^2.23.0",
     "connect": "^3.7.0",
     "core-js": "^3.6.4",
     "coveralls": "^3.0.9",
     "doctoc": "^1.4.0",
+    "eslint": "^6.8.0",
     "grunt": "^1.0.4",
     "grunt-cli": "^1.3.2",
     "grunt-contrib-connect": "^2.1.0",
@@ -73,9 +76,5 @@
     "typescript": "3.4.5",
     "webpack": "^4.42.0",
     "webpack-cli": "^3.3.11"
-  },
-  "resolutions": {
-    "lodash": "^4.17.13",
-    "js-yaml": "^3.13.1"
   }
 }
diff --git a/webpack.config.js b/webpack.config.js
index 0d3c46ae2..55e2cce96 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -2,6 +2,7 @@ const path = require('path');
 
 module.exports = {
   entry: './src/index.ts',
+  mode: 'development',
   module: {
     rules: [
       {
@@ -17,7 +18,8 @@ module.exports = {
   output: {
     filename: 'gridstack.all.js',
     path: path.resolve(__dirname, 'dist'),
+    library: 'GridStack',
+    libraryExport: 'GridStack',
     libraryTarget: 'umd',
-    library: 'gridstack',
-  },
-};
\ No newline at end of file
+  }
+};
diff --git a/yarn.lock b/yarn.lock
index 33cb2254d..bda4f943d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -107,6 +107,11 @@
     traverse "^0.6.6"
     unified "^6.1.6"
 
+"@types/eslint-visitor-keys@^1.0.0":
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/@types/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#1ee30d79544ca84d68d4b3cdb0af4f205663dd2d"
+  integrity sha512-OCutwjDZ4aFS6PB1UZ988C4YgwlBHJd6wCeQqaLdmadZ/7e+w79+hbMUFC1QXDNCmdyoRfAFdm0RypzwR+Qpag==
+
 "@types/jquery@*", "@types/jquery@^3.3.32":
   version "3.3.33"
   resolved "https://registry.yarnpkg.com/@types/jquery/-/jquery-3.3.33.tgz#61d9cbd4004ffcdf6cf7e34720a87a5625a7d8e9"
@@ -121,6 +126,11 @@
   dependencies:
     "@types/jquery" "*"
 
+"@types/json-schema@^7.0.3":
+  version "7.0.4"
+  resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.4.tgz#38fd73ddfd9b55abb1e1b2ed578cb55bd7b7d339"
+  integrity sha512-8+KAKzEvSUdeo+kmqnKrqgeE+LcA0tjYWFY7RPProVYwnqDjukzO+3b6dLD56rYX5TdWejnEOLJYOIeh4CXKuA==
+
 "@types/mime-types@^2.1.0":
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/@types/mime-types/-/mime-types-2.1.0.tgz#9ca52cda363f699c69466c2a6ccdaad913ea7a73"
@@ -141,6 +151,49 @@
   resolved "https://registry.yarnpkg.com/@types/sizzle/-/sizzle-2.3.2.tgz#a811b8c18e2babab7d542b3365887ae2e4d9de47"
   integrity sha512-7EJYyKTL7tFR8+gDbB6Wwz/arpGa0Mywk1TJbNzKzHtzbwVmY4HR9WqS5VV7dsBUKQmPNr192jHr/VpBluj/hg==
 
+"@typescript-eslint/eslint-plugin@^2.23.0":
+  version "2.23.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-2.23.0.tgz#aa7133bfb7b685379d9eafe4ae9e08b9037e129d"
+  integrity sha512-8iA4FvRsz8qTjR0L/nK9RcRUN3QtIHQiOm69FzV7WS3SE+7P7DyGGwh3k4UNR2JBbk+Ej2Io+jLAaqKibNhmtw==
+  dependencies:
+    "@typescript-eslint/experimental-utils" "2.23.0"
+    eslint-utils "^1.4.3"
+    functional-red-black-tree "^1.0.1"
+    regexpp "^3.0.0"
+    tsutils "^3.17.1"
+
+"@typescript-eslint/experimental-utils@2.23.0":
+  version "2.23.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-2.23.0.tgz#5d2261c8038ec1698ca4435a8da479c661dc9242"
+  integrity sha512-OswxY59RcXH3NNPmq+4Kis2CYZPurRU6mG5xPcn24CjFyfdVli5mySwZz/g/xDbJXgDsYqNGq7enV0IziWGXVQ==
+  dependencies:
+    "@types/json-schema" "^7.0.3"
+    "@typescript-eslint/typescript-estree" "2.23.0"
+    eslint-scope "^5.0.0"
+
+"@typescript-eslint/parser@^2.23.0":
+  version "2.23.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-2.23.0.tgz#f3d4e2928ff647fe77fc2fcef1a3534fee6a3212"
+  integrity sha512-k61pn/Nepk43qa1oLMiyqApC6x5eP5ddPz6VUYXCAuXxbmRLqkPYzkFRKl42ltxzB2luvejlVncrEpflgQoSUg==
+  dependencies:
+    "@types/eslint-visitor-keys" "^1.0.0"
+    "@typescript-eslint/experimental-utils" "2.23.0"
+    "@typescript-eslint/typescript-estree" "2.23.0"
+    eslint-visitor-keys "^1.1.0"
+
+"@typescript-eslint/typescript-estree@2.23.0":
+  version "2.23.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-2.23.0.tgz#d355960fab96bd550855488dcc34b9a4acac8d36"
+  integrity sha512-pmf7IlmvXdlEXvE/JWNNJpEvwBV59wtJqA8MLAxMKLXNKVRC3HZBXR/SlZLPWTCcwOSg9IM7GeRSV3SIerGVqw==
+  dependencies:
+    debug "^4.1.1"
+    eslint-visitor-keys "^1.1.0"
+    glob "^7.1.6"
+    is-glob "^4.0.1"
+    lodash "^4.17.15"
+    semver "^6.3.0"
+    tsutils "^3.17.1"
+
 "@webassemblyjs/ast@1.8.5":
   version "1.8.5"
   resolved "https://registry.yarnpkg.com/@webassemblyjs/ast/-/ast-1.8.5.tgz#51b1c5fe6576a34953bf4b253df9f0d490d9e359"
@@ -1889,7 +1942,7 @@ eslint-visitor-keys@^1.1.0:
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz#e2a82cea84ff246ad6fb57f9bde5b46621459ec2"
   integrity sha512-8y9YjtM1JBJU/A9Kc+SbaOV4y29sSWckBwMHa+FGtVj5gN/sbnKDf6xJUl+8g7FAij9LVaP8C24DUiH/f/2Z9A==
 
-eslint@^6.0.1:
+eslint@^6.0.1, eslint@^6.8.0:
   version "6.8.0"
   resolved "https://registry.yarnpkg.com/eslint/-/eslint-6.8.0.tgz#62262d6729739f9275723824302fb227c8c93ffb"
   integrity sha512-K+Iayyo2LtyYhDSYwz5D5QdWw0hCacNzyq1Y821Xna2xSJj7cijoLLYmLxTQgcgZ9mC61nryMy9S7GRbYpI5Ig==
@@ -2531,7 +2584,7 @@ glob@^5.0.15, glob@~5.0.0:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.0, glob@^7.0.3, glob@^7.0.6, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, glob@^7.1.4, glob@~7.1.1:
+glob@^7.0.0, glob@^7.0.3, glob@^7.0.6, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, glob@^7.1.4, glob@^7.1.6, glob@~7.1.1:
   version "7.1.6"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
   integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
@@ -5106,6 +5159,11 @@ regexpp@^2.0.1:
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-2.0.1.tgz#8d19d31cf632482b589049f8281f93dbcba4d07f"
   integrity sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw==
 
+regexpp@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-3.0.0.tgz#dd63982ee3300e67b41c1956f850aa680d9d330e"
+  integrity sha512-Z+hNr7RAVWxznLPuA7DIh8UNX1j9CDrUQxskw9IrBE1Dxue2lyXT+shqEIeLUjrokxIP8CMy1WkjgG3rTsd5/g==
+
 remark-frontmatter@^1.2.0:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/remark-frontmatter/-/remark-frontmatter-1.3.2.tgz#91d9684319cd1b96cc3d9d901f10a978f39c752d"
@@ -5416,7 +5474,7 @@ selenium-webdriver@3.6.0, selenium-webdriver@^3.0.1:
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
   integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
 
-semver@^6.0.0, semver@^6.1.2:
+semver@^6.0.0, semver@^6.1.2, semver@^6.3.0:
   version "6.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
   integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
@@ -6202,11 +6260,23 @@ ts-loader@^6.2.1:
     micromatch "^4.0.0"
     semver "^6.0.0"
 
+tslib@^1.8.1:
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.11.1.tgz#eb15d128827fbee2841549e171f45ed338ac7e35"
+  integrity sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==
+
 tslib@^1.9.0:
   version "1.11.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.11.0.tgz#f1f3528301621a53220d58373ae510ff747a66bc"
   integrity sha512-BmndXUtiTn/VDDrJzQE7Mm22Ix3PxgLltW9bSNLoeCY31gnG2OPx0QqJnuc9oMIKioYrz487i6K9o4Pdn0j+Kg==
 
+tsutils@^3.17.1:
+  version "3.17.1"
+  resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.17.1.tgz#ed719917f11ca0dee586272b2ac49e015a2dd759"
+  integrity sha512-kzeQ5B8H3w60nFY2g8cJIuH7JDpsALXySGtwGJ0p2LSjLgay3NdIpqq5SoOBe46bKDW2iq25irHCr8wjomUS2g==
+  dependencies:
+    tslib "^1.8.1"
+
 tty-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"